BJ 246 then EN 250 at Frankfurt
Tunis → Frankfurt am Main → Milan
Timetable, Frankfurt am Main time
17:05BJ 246 from Tunis at the gate
12:45EN 250 to Milan leaves the gate
19 h 40 apart on the timetable, overnight
EN 250 leaves 19 h 40 after BJ 246 arrives on the timetable: more than half a day, so not a connection we count.